King Arthur (S02E01)

King Arthur. His very name evokes heroic acts, epic quests, and a forgotten age of chivalry. Most experts believe the monarch was simply a legendary figure, but powerful new scientific and archaeological evidence suggests that these mythic tales have their roots in history. Travel to ancient sacred sites across England and Wales to examine these fascinating discoveries and attempt to solve the mystery of whether Arthur was a real person, or just a fable. (Smithsonian Channel)